21689688

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53161}}^1$

素因数の和:53187

約数の個数: 32

約数和(自身を含む): 57414960

約数和(自身を除く): 35725272

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53161, 106322, 159483, 212644, 318966, 425288, 637932, 903737, 1275864, 1807474, 2711211, 3614948, 5422422, 7229896, 10844844, 21689688]

約数ペア:

[(1, 21689688), (2, 10844844), (3, 7229896), (4, 5422422), (6, 3614948), (8, 2711211), (12, 1807474), (17, 1275864), (24, 903737), (34, 637932), (51, 425288), (68, 318966), (102, 212644), (136, 159483), (204, 106322), (408, 53161)]